KR900017320A - Mobile wireless communication system - Google Patents

Mobile wireless communication system Download PDF

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KR900017320A
KR900017320A KR1019900004468A KR900004468A KR900017320A KR 900017320 A KR900017320 A KR 900017320A KR 1019900004468 A KR1019900004468 A KR 1019900004468A KR 900004468 A KR900004468 A KR 900004468A KR 900017320 A KR900017320 A KR 900017320A
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signal
optical
antenna
laser
converting
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KR1019900004468A
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KR930006453B1 (en
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츄 타싱
제이. 갠즈 마이클
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사뮤엘 에이취. 드워레츠키
아메리칸 텔리폰 앤드 텔레그라프 캄파니
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/085—Access point devices with remote components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
    • H04B10/25752—Optical arrangements for wireless networks
    • H04B10/25753—Distribution optical network, e.g. between a base station and a plurality of remote units
    • H04B10/25754—Star network topology
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection

Abstract

내용 없음.No content.

Description

이동 무선 통신 시스템Mobile wireless communication system

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 이동 무선 셀의 마이크로 셀 opto-RF 변환기 방사 및 수신 커버리지의 그리드를 도시한 도면.1 shows a grid of micro cell opto-RF converter radiation and reception coverage of a mobile radio cell.

제2도는 이동 무선 베이스 스테이션과 각 변화기에 대한 각 방향으로의 광 전송용의 개별적인 광섬유를 갖는 opto-RF 변환기간의 광섬유 분포망에 대한 개략선도.2 is a schematic diagram of an optical fiber distribution network between a mobile wireless base station and an opto-RF converter with separate optical fibers for optical transmission in each direction for each transducer.

제3도는 각 방향으로 광 전송하도록 개별적인 광 섬유를 갖는 또다른 opto-RF 변환기의 동작을 도시한 개략선도.3 is a schematic diagram showing the operation of another opto-RF converter with individual optical fibers to transmit light in each direction.

Claims (14)

제1셀내에서 이동국과 통신하는 이동 무선 통신 시스템에 있어서, 제1RF 신호를 제1광 신호로 변환시키는 수단(52)과 제2광 신호를 제2RF 신호로 변환시키는 수단을 포함하는 베이스 스테이션(25)으로서, 상기 제1 및 제2RF 신호가 제1 및 제2주파수 대역에서 다중화된 서브 캐리어 채널에 대응하는 상기 베이스 스테이션(25)과, 제1셀을 통해 분포되어 마이크로 셀룰러 패턴을 형성시키며, 제1광 신호를 제1RF 신호로 변환시키고 이동국으로부터 수신되는 제2RF 신호를 제2광 신호로 변환시키는 다수의 opto-RF 변환기(62)와, 베이스 스테이션 및 다수의 opto-RF 송수신기에 연결되어 제1 및 제2광 신호의 전송을 지원하는 다수의 광섬유(55)를 구비하는 이동 무선 통신 베이스 스테이션.A mobile wireless communication system in communication with a mobile station in a first cell, the base station 25 comprising means for converting a first RF signal into a first optical signal and means for converting a second optical signal into a second RF signal. The first and second RF signals are distributed through the first cell and the base station 25 corresponding to the subcarrier channel multiplexed in the first and second frequency bands to form a micro cellular pattern. A plurality of opto-RF converters 62 for converting one optical signal into a first RF signal and converting a second RF signal received from a mobile station into a second optical signal; and a first station connected to a base station and a plurality of opto-RF transceivers And a plurality of optical fibers (55) for supporting transmission of a second optical signal. 제1항에 있어서, 다수의 opto-RF 변환기중 각각의 opto-RF 변환기가 ; 제1주파수 대역내의 제1RF 신호를 이동국으로 전송하는 수단(56,57,60)과, 제2주파수 대역내의 제2RF 신호를 이동국으로부터 수신하는 수단(61,63,64)을 구비하는 이동 무선 통신 시스템.2. The apparatus of claim 1, wherein each opto-RF converter of the plurality of opto-RF converters; Mobile radio communication comprising means (56, 57, 60) for transmitting a first RF signal in a first frequency band to a mobile station and means (61, 63, 64) for receiving a second RF signal in a second frequency band from a mobile station. system. 제2항에 있어서, 제1 및 제2RF 신호가 10 내지 60G㎐ 밀리미터파 대역내에 포함되는 이동 무선 통신 시스템.3. A mobile wireless communications system according to Claim 2 wherein the first and second RF signals are contained within a 10 to 60 GHz millimeter wave band. 제1항에 있어서, 변환 수단 및 opto-RF 변환기가 광 신호들의 광 캐리어로 채널을 시분할 다중화하여 다수의 광섬유를 거쳐 전송시키는 이동 무선 통신 시스템.2. A mobile wireless communications system according to Claim 1 wherein the converting means and the opto-RF converter time-division multiplex the channels into optical carriers of optical signals and transmit them over a plurality of optical fibers. 제1항에 있어서, 변환 수단 및 opto-RF 변환기가 광 신호들의 광 캐리어로 채널을 주파수 분할 다중화하여 다수의 광섬유를 거쳐 전송시키는 이동 무선 통신 베이스 스테이션.2. A mobile wireless communication base station according to Claim 1, wherein the converting means and the opto-RF converter frequency-division multiplex the channel into optical carriers of optical signals for transmission over a plurality of optical fibers. 제1주파수 범위에서 다중화된 이동 무선 채널을 포함하는 RF 신호를 전송하는 제1안테나(60)와, 제2주파수 범위에서 다중화된 이동 무선 채널을 포함하는 RF 신호를 수신하는 제2안테나(61)와, 제1주파수 범위에서 RF 신호에 의해 변조된 제1광 신호를 제1주파수 범위에서 RF 신호를 표시하는 전기 신호로 변환시키는 수단(55,56,57,62)과, 제2주파수 범위에서 RF 신호에 응답하여 제2주파수에서 RF 신호에 의해 변조되는 제2광 신호를 발생시키는 레이저(52)를 구비하는 이동 무선 마이크로 셀 변환기.A first antenna 60 for transmitting an RF signal including a mobile radio channel multiplexed in a first frequency range and a second antenna 61 for receiving an RF signal including a mobile radio channel multiplexed in a second frequency range And means (55, 56, 57, 62) for converting the first optical signal modulated by the RF signal in the first frequency range into an electrical signal representing the RF signal in the first frequency range, and in the second frequency range. And a laser (52) for generating a second optical signal modulated by the RF signal at a second frequency in response to the RF signal. 제6항에 있어서, 레이저에 광학적으로 연결되어 레이저에 의해 발생된 제2광 신호를 수신하는 제1 광섬유(53)와, 변환 수단에 광학적으로 연결되어 제1광 신호를 변환 수단에 공급하는 제2광 섬유(55)를 더 구비하는 이동 무선 마이크로 셀 변환기.7. The apparatus of claim 6, further comprising: a first optical fiber (53) optically connected to the laser to receive a second optical signal generated by the laser, and an optically connected to the conversion means to supply the first optical signal to the conversion means. A mobile wireless micro cell converter further comprising two optical fibers (55). 레이저와, 제1 및 제2주파수 범위 각각에서 다중화된 이동 무선 채널을 포함하는 RF 신호를 송,수신하는 안테나와, 제1주파수 대역에서 이동 무선 채널로 변조된 제1광 신호를 안테나에 공급되는 RF 신호로 변환시키는 수단과, 제1주파수 대역에서 RF 신호를 안테나에 결합히켜 이동국으로 방사시키고 제2주파수 대역에서 안테나를 통해 이동국으로부터 수신된 RF 신호를 상기 레이저에 결합시켜 사익 제2주파수 대역에서 레이저로부터 출력되는 광 신호를 RF 신호로 변조하는 순환기 수단을 구비하는 이동 무선 마이크로 셀 변환기 장치.An antenna for transmitting and receiving an RF signal including a laser, a mobile radio channel multiplexed in each of the first and second frequency ranges, and a first optical signal modulated to the mobile radio channel in a first frequency band, Means for converting an RF signal into a mobile station by coupling an RF signal to an antenna in a first frequency band and radiating an RF signal received from the mobile station through an antenna in a second frequency band to the laser in a second frequency band. And a circulator means for modulating an optical signal output from the laser into an RF signal. 제8항에 있어서, 제1주파수 범위에서 RF 신호에 의해 변조되는 제1광 신호를 제1주파수 범위에서 RF 신호를 표시하는 전기 신호로 변환시키는 수단과, 레이저에 광학적으로 결합되어 레이저로부터 출력되는 광 신호를 수신하는 제1광 섬유와, 변환 수단에 광학적으로 결합되어 제1광 신호를 변환 수단에 인가하는 제2광섬유를 더 구비하는 이동 무선 마이크로 셀 변환기 장치.9. The apparatus of claim 8, further comprising: means for converting a first optical signal modulated by the RF signal in the first frequency range into an electrical signal representing the RF signal in the first frequency range, and optically coupled to the laser and output from the laser. And a second optical fiber optically coupled to the converting means and applying the first optical signal to the converting means. 제9항에 있어서, 제1주파수 대역에서 안테나에 인가된 RF 신호가 10Watt 이하의 결합 전력을 갖는 이동 무선 마이크로 셀 변환기 장치.The mobile wireless micro-cell converter of claim 9, wherein the RF signal applied to the antenna in the first frequency band has a combined power of 10 Watt or less. 제1주파수 범위에서 다중화된 이동 무선 채널을 포함하는 RF 신호를 전송하는 제1안테나와, 제2주파수 범위에서 다중화된 이동 무선 채널을 포함하는 RF 신호를 수신하는 제2안테나와, 제1주파수 범위에서 RF 신호에 의해 변조된 제1광 신호를 제1주파수 범위에서 RF 신호를 표시하는 전기 신호로 변환하는 수단과, 제2주파수 범위에서 RF 신호에 응답하여 제2주파수 범위에서 RF 신호에 의해 변조된 제2광신호를 발생하는 레이저 수단과, 광섬유와, 광섬유로부터 변환 수단으로 전송되는 제1광 파장에서의 제1광 신호의 광 파장을 다중화시키는 수단과, 레이저 수단으로부터 광섬유로 전송되는 제2광 파장에서의 제2광 신호의 파장을 다중화시키는 다중화 수단을 구비하는 이동 무선 마이크로 셀 변환기 장치.A first antenna transmitting an RF signal including a mobile radio channel multiplexed in a first frequency range, a second antenna receiving an RF signal including a mobile radio channel multiplexed in a second frequency range, and a first frequency range; Means for converting the first optical signal modulated by the RF signal into an electrical signal representing the RF signal in the first frequency range, and modulating by the RF signal in the second frequency range in response to the RF signal in the second frequency range. Laser means for generating a second optical signal, means for multiplexing the optical wavelength of the first optical signal at the first optical wavelength transmitted from the optical fiber to the conversion means, and a second transmitted from the laser means to the optical fiber And a multiplexing means for multiplexing the wavelength of the second optical signal at the optical wavelength. 제11항에 있어서, 안테나에 인가된 RF 신호가 10Watt 이하의 결합 채널 전력을 갖는 이동 무선 아미크로 셀 변환기 장치.The mobile wireless micro cell converter of claim 11, wherein the RF signal applied to the antenna has a combined channel power of 10 Watt or less. 제1 및 제2주파수 범위 각각에서 다중화된 이동 무선 채널을 포함하는 RF 신호를 송,수신하는 안테나와, 제1주파수 대역에서 이동 무선 채널로 변조된 제1광 신호를 안테나에 공급된 RF 신호로 변환시키는 수단과, 제1주파수 대역에서 RF 신호를 안테나에 결합시켜 이동국으로 방사시키고, 제2주파수 대역에서 안테나를 통해 이동국으로부터 수신된 RF 신호를 레이저에 결합시켜 레이저로 부터 출력된 광 신호를 제2주파수 대역에서 RF 신호로 변조시키는 순환기 수단과, 광섬유와, 광섬유로부터 변환 수단으로 전송되는 제1광 파장에서의 제1광 신호의 파장을 다중화시키는 수단과, 레이저 수단으로부터 광섬유로 전송되는 제2광 파장에서의 제2광 신호의 파장을 다중화시키는 다중화 수단을 구비하는 이동 무선 마이크로 셀 변환기 장치.An antenna for transmitting and receiving an RF signal including a mobile radio channel multiplexed in each of the first and second frequency ranges, and a first optical signal modulated with the mobile radio channel in a first frequency band as an RF signal supplied to the antenna. Means for converting and combining the RF signal with the antenna in the first frequency band to radiate to the mobile station, and combining the RF signal received from the mobile station through the antenna in the second frequency band with the laser to suppress the optical signal output from the laser. Circulator means for modulating an RF signal in two frequency bands, means for multiplexing the optical fiber, the wavelength of the first optical signal at the first wavelength of light transmitted from the optical fiber to the conversion means, and a second transmitted from the laser means to the optical fiber And a multiplexing means for multiplexing the wavelength of the second optical signal at the optical wavelength. 제13항에 있어서, 안테나에 인가된 RF 신호가 10Watt 이하의 결합 채널 전력을 갖는 이동 무선 마이크로 셀 변환기 장치.The mobile wireless micro-cell converter of claim 13, wherein the RF signal applied to the antenna has a combined channel power of 10 Watt or less. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900004468A 1989-04-04 1990-04-02 Optical fiber microcellular mobile radio KR930006453B1 (en)

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